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- Survey On Indoor Formaldehyde Ammonia Pollution 关于室内甲醛和氨的污染状况调查
- Survey on indoor Formaldehyde And Ammonia Pollution 室内甲醛和氨的污染状况的调查
- Experimental study on cleaning indoors ammonia pollution 室内氨气污染的净化试验研究
- Ammonia Pollution of Indoor Fitment and Its Control Measures 室内装修中氨污染及防治对策
- Determination and prevention on ammonia pollution in the air indoors 室内空气中氨污染的测定及预防
- Researching of Indoor Ammonia Pollution States of the Rooms Fitting up Newly 新装修房屋室内空气氨污染状况的调查研究
- Ammonia is a chemical substance. 氨是种化学物质。
- Ammonia is a colorless gas with strong smell. 氨是无色并有强烈气味的气体。
- We should use anthracite to avoid air pollution. 我们应该使用无烟煤以防止空气污染。
- Pollution control has cleared the air. 污染管制已净化了空气。
- The key pollution indicators are ammonia nitrogen and BOD. 主要污染指标是氨氮和生化需氧量。
- Man is fighting a battle against pollution. 人类正在与污染作斗争。
- Pollution is still very much a live issue. 污染现象仍然是当前的大问题。
- The soil becomes more and more acidic as pollution mounts up. 随着污染的加剧，土壤的酸化越来越严重。
- A clamor in the press for pollution control. 在报纸上对污染控制的呼吁
- Water pollution imperils all kinds of marine life. 水质污染危及所有海洋生物。
- Pollution has stripped the trees of their foliage. 污染剥光了这些树的叶子。
- We have freed the lake from pollution. 我们已经清除了该湖的污染。
- In some ways, an hydrous ammonia is just as Safe to handle as gasoline. 在某种程度上，无水氨使用起来和汽油一样安全。
- Tests of the manure showed a high ammonia content. 这种肥料经过化验表明氨的含量很高。
